Astrology
Origin
USA, Southern and central Africa
Switzerland, Australia, Brazil
Color
Brown, Green, White, gray, Blue, Yellow
Yellow, Colorless, White, Brownish, Reddish
Streak
White
White
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Energy
Not Available
Not Available
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Brittle
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.00-4.65
5.9-6.3
Fracture
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven
Cleavage
Perfect on [1011]
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
5-5.5
4.5-5
Chemical Composition
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Optical Properties
Luster
Vitreous, Pearly
Vitreous, Adamantine
Pleochroism
AbsentWalter Schumann
Definite dichoric in yellow (yellow to orange-brown)
Dispersion
0.01
26
0.04
12
Transparency
Translucent
Translucent, Transparent
Refractive Index
1.620-1.850
1.918-1.936
Optic Character
Not Available
Not Available
Crystal System
Trigonal
tetragonal
Birefringence
0.223-0.227
0.016
Clarity
Translucent
Translucent
Benefits
Physical
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
